ABAP Select data from SAP table ROIO_SP_TREE_DELIV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIO_SP_TREE_DELIV table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ROIO_SP_TREE_DELIV. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ROIO_SP_TREE_DELIV table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ROIO_SP_TREE_DELIV TYPE STANDARD TABLE OF ROIO_SP_TREE_DELIV,
      WA_ROIO_SP_TREE_DELIV TYPE ROIO_SP_TREE_DELIV,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ROIO_SP_TREE_DELIV> TYPE ROIO_SP_TREE_DELIV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIO_SP_TREE_DELIV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIO_SP_TREE_DELIV
  INTO TABLE IT_ROIO_SP_TREE_DELIV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIO_SP_TREE_DELIV
*  INTO TABLE @DATA(IT_ROIO_SP_TREE_DELIV2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ROIO_SP_TREE_DELIV INDEX 1 INTO DATA(WA_ROIO_SP_TREE_DELIV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIO_SP_TREE_DELIV ASSIGNING <ROIO_SP_TREE_DELIV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIO_SP_TREE_DELIV>-VBELN = 1.
<ROIO_SP_TREE_DELIV>-VSTEL = 1.
<ROIO_SP_TREE_DELIV>-VKORG = 1.
<ROIO_SP_TREE_DELIV>-LFART = 1.
<ROIO_SP_TREE_DELIV>-WADAT = 1.

ENDLOOP.

LOOP AT IT_ROIO_SP_TREE_DELIV INTO WA_ROIO_SP_TREE_DELIV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIO_SP_TREE_DELIV-LDDAT, sy-vline,
  WA_ROIO_SP_TREE_DELIV-TDDAT, sy-vline,
  WA_ROIO_SP_TREE_DELIV-LFDAT, sy-vline,
  WA_ROIO_SP_TREE_DELIV-KODAT, sy-vline,
  WA_ROIO_SP_TREE_DELIV-LIFSK, sy-vline,
  WA_ROIO_SP_TREE_DELIV-KUNNR_DLV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIO_SP_TREE_DELIV you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ROIO_SP_TREE_DELIV TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ROIO_SP_TREE_DELIV INTO WA_ROIO_SP_TREE_DELIV.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR_DLV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-KUNNR_DLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-KUNNR_DLV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-KUNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-KUNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field UMMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-UMMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-UMMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-MBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-MBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-MJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RTDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-RTDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-RTDOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_SP_TREE_DELIV-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_SP_TREE_DELIV-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ROIO_SP_TREE_DELIV_STR, 
VBELN TYPE STRING,
VSTEL TYPE STRING,
VKORG TYPE STRING,
LFART TYPE STRING,
WADAT TYPE STRING,
LDDAT TYPE STRING,
TDDAT TYPE STRING,
LFDAT TYPE STRING,
KODAT TYPE STRING,
LIFSK TYPE STRING,
KUNNR_DLV TYPE STRING,
KUNAG TYPE STRING,
LSTEL TYPE STRING,
TRAGR TYPE STRING,
LGNUM TYPE STRING,
TRSPG TYPE STRING,
XBLNR TYPE STRING,
VBUND TYPE STRING,
OIO_HOLD TYPE STRING,
ICON_HOLD TYPE STRING,
OIO_HOLD_ORIG TYPE STRING,
POSNR TYPE STRING,
PSTYV TYPE STRING,
ARKTX TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
GRKOR TYPE STRING,
SOBKZ TYPE STRING,
UMMAT TYPE STRING,
UMBAR TYPE STRING,
UMSOK TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
RTDOC TYPE STRING,
RTDLN TYPE STRING,
PS_PSP_PNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIO_SP_TREE_DELIV_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ROIO_SP_TREE_DELIV_STR-VBELN sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VSTEL sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VKORG sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LFART sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-WADAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LDDAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-TDDAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LFDAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-KODAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LIFSK sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-KUNNR_DLV sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-KUNAG sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LSTEL sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-TRAGR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LGNUM sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-TRSPG sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-XBLNR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VBUND sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-OIO_HOLD sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-ICON_HOLD sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-OIO_HOLD_ORIG sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-POSNR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-PSTYV sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-ARKTX sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LGTYP sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-LGPLA sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VKBUR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VKGRP sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-VTWEG sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-SPART sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-GRKOR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-SOBKZ sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-UMMAT sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-UMBAR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-UMSOK sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-MBLNR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-MJAHR sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-ZEILE sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-RTDOC sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-RTDLN sy-vline 
WA_ROIO_SP_TREE_DELIV_STR-PS_PSP_PNR sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.